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This is the second volume in the Birds of Africa series, covering the rich avifauna of the world's second largest continent. Volume II treats five orders, from gamebirds to pigeons. Universally recognised as by far the most authoritative work ever published on the subject, The Birds of Africa is a superb multi-contributor reference work, with encyclopaedic species texts, stunning paintings of all species and numerous subspecies, hundreds of informative line drawings, detailed range maps, and extensive bibliographies. Each volume contains an Introduction that brings the reader up to date with the latest developments in African ornithology, including the evolution and biogeography of African birds. Diagnoses of the families and genera, often with superspecies maps, are followed by the comprehensive species accounts themselves. These include descriptions of range and status, field characters, voice, general habits, food, and breeding habits. Full bibliographies, acoustic references, and indexes complete this scholarly work of reference. This second volume in the series deals comprehensively with the guineafowl, francolins, buttonquails, rails, cranes, finfoot, bustards, jacanas, painted-snipe, Crab Plover, oystercatchers, stilits and avocets, thick-knees, coursers and pratincoles, plovers and lapwings, sandpipers and allies, skuas, gulls, terns, skimmers, auks, sandgrouse and pigeons. The editors and artists have worked closely with other authors - all acknowledged experts in their field - to produce a superb reference in which comprehensive texts on every species are complemented by accurate and detailed paintings and drawings of the birds themselves.
This spectacular edition of the best-selling Helm field guide of all time covers all resident, migrant and vagrant species found in Kenya, Tanzania, Uganda, Rwanda and Burundi. More than 1,300 species are illustrated with full details of all the plumages and major races likely to be encountered. Concise text describes the identification, status, range, habits and voice, with fully updated range maps for each species. This authoritative book will not only be an indispensable guide to the visiting birder, but also a vital tool for those engaged in work to conserve and study the avifauna of the region – East Africa shelters a remarkable diversity of birds, many seriously endangered with small and vulnerable ranges. This field guide is indispensable for the visiting birder, and a vital tool for anyone interested in the avifauna of this region.
Universally recognised as by far the most authoritative work ever published on the subject, The Birds of Africa is a superb multi-contributor reference work, with encyclopaedic species texts, stunning paintings of all species and numerous subspecies, informative line drawings, detailed range maps, and extensive bibliographies. Each volume contains an Introduction that brings the reader up to date with the latest developments in African ornithology, including the evolution and biogeography of African birds. Diagnoses of the families and genera, often with superspecies maps, are followed by the comprehensive species accounts themselves. These include descriptions of range and status, field characters, voice, general habits, food, and breeding habits. Full bibliographies, acoustic references, and indexes complete this scholarly work of reference. This eighth and final volume covers the Malagasy region which comprises Madagascar and the various islands and archipelagos of the Indian Ocean including the Seychelles, the Comoros, Mauritius and Réunion. Every resident and migrant species is covered in full detail, comparable to other volumes in the series, and with a colour map for each species. Vagrants are treated in less detail. All species are illustrated on a beautiful series of 64 colour plates, with original artwork from John Gale and Brian Small. This is a major work of reference on the birds of the region and will remain the standard text for many years to come.
Reprint of the original, first published in 1875.
The first comprehensive field guide to every bird species in Europe, North Africa, and the Middle East Birds of Europe, North Africa, and the Middle East is the first comprehensive pocket-sized photographic field guide to every bird species in Europe—this includes winter visitors and common migrants but also all rarities to the region, even if they have been recorded only once. The guide also covers hypothetical species—those that have a good chance of being recorded due to such factors as range expansion and changing weather patterns. The book's 2,200 stunning color photographs mean that every species is pictured, making field identification quick and easy. Succinct text covers key identification features, voice, habitat, and distribution, and distribution maps are provided for regular breeding species. Particular attention and details are given to help differentiate similar-looking species. Lavishly illustrated, up-to-date, and wide-ranging, Birds of Europe, North Africa, and the Middle East is an essential field guide for every naturalist and birder. First comprehensive field guide to all species recorded in Europe: resident, winter visitor, common migrant, and rarity 860 species covered using 2,200 photographs Includes every species from North Africa and the Middle East to have occurred in Europe
History and Philosophy of Science and Technology is a component of Encyclopedia of Physical Sciences, Engineering and Technology Resources in the global Encyclopedia of Life Support Systems (EOLSS), which is an integrated compendium of twenty one Encyclopedias. The Theme on History and Philosophy of Science and Technology in four volumes covers several topics such as: Introduction to the Philosophy of Science; The Nature and Structure of Scientific Theories Natural Science; A Short History of Molecular Biology; The Structure of the Darwinian Argument In The Origin of Species; History of Measurement Theory; Episodes of XX Century Cosmology: A Historical Approach; Philosophy of Economics; Social Sciences: Historical And Philosophical Overview of Methods And Goals; Introduction to Ethics of Science and Technology; The Ethics of Science and Technology; The Control of Nature and the Origins of The Dichotomy Between Fact And Value; Science and Empires: The Geo-Epistemic Location of Knowledge; Science and Religion; Scientific Knowledge and Religious Knowledge - Significant Epistemological Reference Points; Thing Called Philosophy of Technology; Transitions from Function-Oriented To Effect-Oriented Technologies. Some Thought on the Nature of Modern Technology; Technical Agency and Sources of Technological Pessimism These four volumes are aimed at a broad spectrum of audiences: University and College Students, Educators and Research Personnel
The term 'dispersal centre' literally refers to the place from which a dispersal process started. However, it also implies the location of a centre of diversity, frequently even a recent one, as well as the location of a preservation centre or refuge during regressive phases in less remoted periods of earth's history, and that of a possible speciation centre. The latter may have been the place of differentia tion of subspecies, or species, provided that the isolation period has been suffi ciently long. The term deliberately brings the dynamics to prominence which is inherent in the process of dispersal. This dynamics is neither properly recognized when considering ranges 'whose recent structures more or less force us to consider them ,as static entities' (DE LATTIN 1967, p. 16)*, nor adequately taken into account by systematic typology. Yet, it is, in fact, the change that takes place in a range, which is of great significance in evolutionary genetics. In the case of range regressions which may lead to a diminution or rupture of the range pattern according to the pressure of the endogenous or exogenous triggering factors, subsequently arising distribution obstacles may result in a geographical isolation of partial populations or popula tion parts. Their sufficiently long spatial and reproductive isolation and the allele loss resulting from the change of the population size promote a divergent develop ment.